CN106988340B - Reserved steel bar in cast-in-place concrete bottom plate is accurately positioned, the construction method of installation - Google Patents
Reserved steel bar in cast-in-place concrete bottom plate is accurately positioned, the construction method of installation Download PDFInfo
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- CN106988340B CN106988340B CN201710203516.XA CN201710203516A CN106988340B CN 106988340 B CN106988340 B CN 106988340B CN 201710203516 A CN201710203516 A CN 201710203516A CN 106988340 B CN106988340 B CN 106988340B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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Abstract
Reserved steel bar is accurately positioned in cast-in-place concrete bottom plate provided by the invention, the construction method of installation is on the basis of cast-in-place concrete bottom plate avris setting concrete structure, on the basis of reinforcing bar positioning pedestal is mounted on；By adjusting reinforcing bar positioning pedestal plan-position and flatness come realize to reinforcing bar positioning exact requirements；The positioning to the double reinforcing bar in outside and middle part is realized by the U-lag being arranged in reinforcing bar positioning pedestal；The positioning to inside reinforcing bar is realized by floor connection；The concreting of concrete floor is realized by floor gap.This method operating process and device therefor are simple, and construction cost is low and speed is fast.
Description
Technical field
The invention belongs to railway traffic engineering technical field of construction, are applied to cast in place and precast construction more particularly to one kind
In the cast-in-place concrete bottom plate being attached with prefabricated side wall component using half grout sleeve in subway station reinforcing bar be accurately positioned,
The construction method of installation.
Background technique
In the process of construction using traditional subway station of monolithic reinforced concrete structure, the construction of reinforcement installation engineering
Precision generally requires control within the scope of ± 10mm, with the demand of subway construction industrialization, using cast in place and precast construction
Subway station is following development trend.Civil engineering construction can be significantly improved in the process to pollution using prefabricated building technology
And the control of the undesirable elements such as energy consumption, it can also be improved the construction quality of civil engineering structure.But cast in place and precast construction not only improves
The construction precision and construction quality of prefabricated components, under the premise of prefabricated components standardization, modularization, how to improve with it is prefabricated
The construction essence of reinforcement installation in the construction precision of the cast-in-place concrete structure of component connection, especially raising cast-in-place concrete structure
Degree is an emphasis and a difficult point most outstanding.In the design at present using cast in place and precast construction subway station, in advance
The connection of side wall component processed and cast-in-place concrete bottom plate is utilized in pre-buried half grout sleeve in bottom of prefabricated side wall component and shows
The mode that wall top portion reserved steel bar carries out socket joint is led on pouring concrete bottom plate side, wherein prefabricated side wall component is the factorial production,
Wherein the positioning accuracy of half pre-buried grout sleeve be ± 1mm, at present the country mainstream half grout sleeve internal diameter generally compare with
Its big 8mm of reinforcing bar outer diameter for carrying out socket joint connection, so determining that the precision for the reinforcement installation for carrying out socket joint connection with sleeve is answered
The control is in ± 3mm, it is clear that this is opposite with traditional reinforcement construction precision ± 10mm, and difficulty of construction is very big.
Summary of the invention
To solve the above-mentioned problems, simple, construction that the purpose of the present invention is to provide a kind of operating process and device therefor
The at low cost and fireballing construction method that reserved steel bar in cast-in-place concrete bottom plate is accurately positioned, is installed.
In order to achieve the above object, in cast-in-place concrete bottom plate provided by the invention reserved steel bar be accurately positioned, installation
Construction method includes the following steps carried out in order:
1) cuboid of constructing first in the construction fertilizer slot space of cast-in-place concrete bottom plate avris to be poured is basic；
2) installation site of reinforcing bar positioning pedestal is marked out on basic top surface using the measuring instrument including total station；
3) the half side installation steel according to the installation site of total station setting-out on basic top surface close to cast-in-place concrete bottom plate
Muscle positioning pedestal；The reinforcing bar positioning pedestal includes substrate, muti-piece middle part connecting plate and top plate；Wherein substrate is horizontally disposed
Rectangular slab, and length direction is identical as the length direction of cast-in-place concrete bottom plate, substrate be equipped with multiple bolts hole and
Multiple flatness adjust screw hole, and are recessed inwardly on the side far from basis and are formed with multiple U-lags；Top plate is horizontally set on
One upper side of substrate, length direction is identical as the length direction of cast-in-place concrete bottom plate, and length is identical as the length of substrate, wide
Degree is less than the width of substrate, and top plate is equipped with multiple bolts hole, is also recessed inwardly on the side far from basis and is formed with multiple U-shapeds
Slot, and substrate is correspondingly arranged up and down with the U-lag on top plate and size is identical；Middle part connecting plate is vertically disposed diamond shape
Plate, muti-piece middle part connecting plate are arranged in parallel along the length direction of cast-in-place concrete bottom plate, in every piece of middle part connecting plate two it is opposite
Side be separately fixed on substrate close to basis half side surface and top plate on the same side bottom surface；Installation method is on substrate
Expansion bolt is set at the separate half side bolt hole of top plate, and the half side substrate is tentatively connected to basis using expansion bolt
Top surface on, thereby determined that the plan-position of reinforcing bar positioning pedestal, expansion bolt is with corresponding nut without fastening；
4) mounting height in screw hole is adjusted in the flatness on the substrate of reinforcing bar positioning pedestal and adjust bolt, adjusted by height
Bolt is saved to adjust the flatness of reinforcing bar positioning pedestal, after the completion carries out the expansion bolt in above-mentioned bolt hole with corresponding nut
Fastening；
5) outside reinforcing bar and middle part reinforcing bar are caught in the U-lag on the substrate and top plate of reinforcing bar positioning pedestal, each U-shaped
An outside reinforcing bar and a middle part reinforcing bar is respectively set in slot from inside to outside, outside reinforcing bar and middle part reinforcing bar are located to be poured
Inside the outside left of cast-in-place concrete bottom plate, after position and the height of adjusting above-mentioned reinforcing bar, top positioning plate is utilized into spiral shell
Bolt is fixed on the surface being located on the outside of middle part steel muscle on top plate；The length of the top positioning plate and the equal length of top plate,
It is also recessed inwardly on the side of middle part reinforcing bar and is formed with multiple U-lags, and the U-lag position on top positioning plate and top plate
It sets corresponding and of same size；
6) the side benefit of floor is fixed by bolts to the substrate surface for being located at basis outside；The floor includes fixing
Plate, muti-piece connecting plate and two pieces of top positioning plates；Wherein fixed plate is horizontally disposed, is formed with multiple bolts hole thereon, utilizes spiral shell
Bolt is fixed on the surface of the substrate；Connecting plate is vertically arranged, and is integrally formed by the straight panel that inclined plate and one end are connected to inclined plate upper end, more
Block connecting plate is arranged in parallel along the length direction of cast-in-place concrete bottom plate, and the lower end of every piece of connecting plate inclined board is connected to fixed plate
Surface, straight panel is located above cast-in-place concrete bottom plate inside line to be poured；Two pieces of top positioning plates are separately fixed at more
The outside left top and bottom of all straight panels on block connecting plate concave on the side far from basis on every piece of top positioning plate
It falls into and is formed with multiple U-lags；
7) inside reinforcing bar is caught in the U-lag on the top positioning plate of floor, piece inside steel of setting in each U-lag
Muscle, adjust inside reinforcing bar position and height after, locating rack is fixed on two pieces of top positioning plates using bolt；Described
Locating rack is U-shaped groove structure, and opening is clipped on the outer surface of two pieces of top positioning plates, and the outer ledge of upper and lower end plate concaves
It falls into and is formed with multiple U-lags；
8) after completing above-mentioned reinforcement installation, the template of cast-in-place concrete bottom plate is installed and in template casting concrete and make
At cast-in-place concrete bottom plate, reinforcing bar positioning pedestal, top positioning plate, floor and locating rack are removed after concrete initial set, thus
Complete entire work progress.
Center on the substrate and top plate between adjacent U-lag is away from equal in adjacent outer reinforcing bar or middle part reinforcing bar
The heart is away from width is equal to the diameter of outside reinforcing bar 2.
Center on the top positioning plate between adjacent U-lag is away from the center equal to adjacent inboard reinforcing bar away from width
Equal to the diameter of inside reinforcing bar.
The fixed plate and top positioning plate of the top positioning plate, floor and the end plate up and down of locating rack are respectively formed on
There are multiple bolts hole.
Reserved steel bar is accurately positioned in cast-in-place concrete bottom plate provided by the invention, the construction method of installation is cast-in-place mixed
The basis of solidifying soil bottom plate avris setting concrete structure, on the basis of reinforcing bar positioning pedestal is mounted on；By adjusting reinforcing bar positioning
The plan-position of pedestal and flatness realize the exact requirements to reinforcing bar positioning；Pass through the U-shaped being arranged in reinforcing bar positioning pedestal
Slot realizes the positioning to the double reinforcing bar in outside and middle part；The positioning to inside reinforcing bar is realized by floor connection；Pass through floor
The concreting of gap realization concrete floor.This method operating process and device therefor are simple, and construction cost is low and speed
Fastly.
Detailed description of the invention
Fig. 1 is reserved steel bar accurate positioning, installation process schematic diagram in cast-in-place concrete bottom plate provided by the invention.
Fig. 2 is reinforcing bar positioning pedestal transverse sectional view.
Fig. 3 is reinforcing bar positioning pedestal top view.
Fig. 4 is top positioning plate top view.
Fig. 5 is floor top view.
Fig. 6 is floor transverse sectional view.
Fig. 7 is locating rack transverse sectional view.
Fig. 8 is locating rack top view.
Specific embodiment
It is accurately fixed to reserved steel bar in cast-in-place concrete bottom plate provided by the invention in the following with reference to the drawings and specific embodiments
Position, the construction method installed are described in detail.
It is now illustrated by taking certain engineering as an example: as shown in Figure 1, three rows are reserved at the top of the engineering cast-in-place concrete bottom plate 10
The diameter of reinforcing bar, i.e. outside reinforcing bar 2, middle part reinforcing bar 3 and inside reinforcing bar 4, outside reinforcing bar 2 and inside reinforcing bar 4 is 28mm, middle part
The diameter of reinforcing bar 3 is 25mm；Adjacent two reinforcing steel bar center spacing are that (bar spacing of end two is 200mm in every placing of reinforcement
100mm)；The avris of cast-in-place concrete bottom plate 10 is equipped with fertile slot of constructing.
As Figure 1-Figure 8, in cast-in-place concrete bottom plate provided by the invention reserved steel bar be accurately positioned, installation apply
Work method includes the following steps carried out in order:
1) cuboid of constructing first in the construction fertilizer slot space of 10 avris of cast-in-place concrete bottom plate to be poured is basic
1；
2) installation site of reinforcing bar positioning pedestal 5 is marked out on basic 1 top surface using the measuring instrument including total station；
3) according to the half side installation of the installation site of total station setting-out close cast-in-place concrete bottom plate 10 on basic 1 top surface
Reinforcing bar positioning pedestal 5；The reinforcing bar positioning pedestal 5 includes substrate 12, muti-piece middle part connecting plate 13 and top plate 14；Wherein substrate
12 be horizontally disposed rectangular slab, and length direction is identical as the length direction of cast-in-place concrete bottom plate 10, on substrate 12
Being recessed inwardly equipped with multiple bolts hole 9 and multiple flatness adjusting screw hole 11, and on the side on separate basis 1, it is multiple to be formed with
U-lag 15；Top plate 14 is horizontally set on a upper side of substrate 12, the length direction of length direction and cast-in-place concrete bottom plate 10
Identical, length is identical as the length of substrate 12, and width is less than the width of substrate 12, and top plate 14 is equipped with multiple bolts hole 9, separate
It is also recessed inwardly on the side on basis 1 and is formed with multiple U-lags 15, and about 15 U-lag on substrate 12 and top plate 14 is right
It should be arranged and size is identical；Center between adjacent U-lag 15 away from be equal to the center of adjacent outer reinforcing bar 2 or middle part reinforcing bar 3 away from,
Width is equal to the diameter of outside reinforcing bar 2；Middle part connecting plate 13 is vertically disposed rhombic plate, and muti-piece middle part connecting plate 13 is along cast-in-place
The length direction of concrete floor 10 is arranged in parallel, and two opposite sides are separately fixed at substrate 12 in every piece of middle part connecting plate 13
The bottom surface of upper the same side on half side surface on basis 1 and top plate 14；Installation method is on the substrate 12 far from top plate 14 half
Expansion bolt is set at the bolt hole 9 of side, and the half side substrate 12 is tentatively connected to the top surface on basis 1 using expansion bolt
On, thereby determine that the plan-position of reinforcing bar positioning pedestal 5, expansion bolt is with corresponding nut without fastening；
4) mounting height in screw hole 11 is adjusted in the flatness on the substrate 12 of reinforcing bar positioning pedestal 5 and adjust bolt, pass through
Height adjustment bolt adjusts the flatness of reinforcing bar positioning pedestal 5, after the completion by above-mentioned bolt hole 9 expansion bolt with it is corresponding
Nut is fastened；
5) U-lag 15 being caught in outside reinforcing bar 2 and middle part reinforcing bar 3 on the substrate 12 and top plate 14 of reinforcing bar positioning pedestal 5
It is interior, an outside reinforcing bar 2 and a middle part reinforcing bar 3, outside reinforcing bar 2 and middle part is respectively set in each U-lag 15 from inside to outside
Reinforcing bar 3 is located inside the outside left of cast-in-place concrete bottom plate 10 to be poured, after position and the height of adjusting above-mentioned reinforcing bar,
6 benefit of top positioning plate is fixed by bolts to the surface for being located at 3 outside of middle part steel muscle on top plate 14；The top positioning plate 6
Length and top plate 14 equal length, be also recessed inwardly on the side of middle part reinforcing bar 3 and be formed with multiple U-lags 15, and
And 15 position of U-lag on top positioning plate 6 and top plate 14 is corresponding and of same size, while top positioning plate 6 be formed with it is more
A bolt hole for being used to be arranged bolt；
6) the side benefit of floor 7 is fixed by bolts to 12 surface of substrate for being located at 1 outside of basis；The floor 7 wraps
Include fixed plate 16, muti-piece connecting plate 17 and two pieces of top positioning plates 18；Wherein fixed plate 16 is horizontally disposed, is formed with thereon multiple
Bolt hole 9, benefit are fixed by bolts to the surface of substrate 12；Connecting plate 17 is vertically arranged, and is connected to inclined plate by inclined plate 19 and one end
The straight panel 20 of 19 upper ends is integrally formed, and muti-piece connecting plate 17 is arranged in parallel along the length direction of cast-in-place concrete bottom plate 10, and every piece
The lower end of 17 inclined board 19 of connecting plate is connected to the surface of fixed plate 16, and straight panel 20 is located at cast-in-place concrete bottom plate 10 to be poured
Above inside line；Two pieces of top positioning plates 18 are separately fixed at the outside left upper end of all straight panels 20 on muti-piece connecting plate 17
And lower end, it is recessed inwardly on the side far from basis 1 on every piece of top positioning plate 18 and is formed with multiple U-lags 15；Adjacent U-lag
Center between 15 is away from the center equal to adjacent inboard reinforcing bar 4 away from width is equal to the diameter of inside reinforcing bar 4；Fixed plate 16 simultaneously
It is respectively formed on top positioning plate 18 multiple for the bolt hole 9 of bolt to be arranged；
7) inside reinforcing bar 4 is caught in the U-lag 15 on the top positioning plate 18 of floor 7, setting one in each U-lag 15
Locating rack 8 after position and the height of adjusting inside reinforcing bar 4, is fixed on two pieces of tops using bolt and positioned by reinforcing bar 4 on the inside of root
On plate 18；The locating rack 8 is U-shaped groove structure, and opening is clipped on the outer surface of two pieces of top positioning plates 18, upper and lower end plate
Outer ledge be recessed inwardly and be formed with multiple U-lags 15；The end plate up and down of locating rack 8 has been respectively formed on multiple for setting simultaneously
Set the bolt hole 9 of bolt；
8) after completing above-mentioned reinforcement installation, the template of cast-in-place concrete bottom plate 10 is installed and in template casting concrete and
Cast-in-place concrete bottom plate 10 is made, reinforcing bar positioning pedestal 5, top positioning plate 6, floor 7 and positioning are removed after concrete initial set
Thus frame 8 completes entire work progress.
Above embodiments are disclosed embodiment, and content is only to facilitate understand technology of the invention
Scheme and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains,
Under the premise of not departing from disclosed core technology scheme, can implementation make in form and details it is any modification with
Variation, but protection scope defined by the present invention, the range that the appended claims that must still be subject to limits.
Claims (4)
1. the construction method that reserved steel bar is accurately positioned, installs in a kind of cast-in-place concrete bottom plate, it is characterised in that: described applies
Work method includes the following steps carried out in order:
1) the construction cuboid basis first in the construction fertilizer slot space of cast-in-place concrete bottom plate (10) avris to be poured
(1)；
2) installation site of reinforcing bar positioning pedestal (5) is marked out on basic (1) top surface using the measuring instrument including total station；
3) according to the installation site of total station setting-out on basic (1) top surface close to the half side installation of cast-in-place concrete bottom plate (10)
Reinforcing bar positioning pedestal (5)；The reinforcing bar positioning pedestal (5) includes substrate (12), muti-piece middle part connecting plate (13) and top plate
(14)；Wherein substrate (12) is horizontally disposed rectangular slab, and the length of length direction and cast-in-place concrete bottom plate (10)
Direction is identical, and substrate (12) is equipped with multiple bolts hole (9) and multiple flatness adjust screw hole (11), and far from basic (1)
Side on be recessed inwardly and be formed with multiple U-lags (15)；Top plate (14) is horizontally set on a upper side of substrate (12), length
Direction is identical as the length direction of cast-in-place concrete bottom plate (10), and length is identical as the length of substrate (12), and width is less than substrate
(12) width, top plate (14) are equipped with multiple bolts hole (9), and being also recessed inwardly on the side far from basis (1), it is more to be formed with
A U-lag (15), and substrate (12) is correspondingly arranged up and down with the U-lag (15) on top plate (14) and size is identical；Middle part connects
Fishplate bar (13) is vertically disposed rhombic plate, and muti-piece middle part connecting plate (13) is flat along the length direction of cast-in-place concrete bottom plate (10)
Row setting, the upper two opposite sides of every piece of middle part connecting plate (13) are separately fixed on substrate (12) close to the half side of basis (1)
The bottom surface of the same side on surface and top plate (14)；Installation method is on substrate (12) far from top plate (14) half side bolt hole
(9) expansion bolt is set at, and is tentatively connected to the half side substrate (12) on the top surface of basic (1) using expansion bolt,
The plan-position of reinforcing bar positioning pedestal (5) is thereby determined that, expansion bolt is with corresponding nut without fastening；
4) flatness on the substrate (12) of reinforcing bar positioning pedestal (5) adjusts screw hole (11) interior mounting height and adjusts bolt, leads to
Height adjustment bolt is crossed to adjust the flatness of reinforcing bar positioning pedestal (5), after the completion by the expansion bolt in above-mentioned bolt hole (9)
It is fastened with corresponding nut；
5) U being caught in outside reinforcing bar (2) and middle part reinforcing bar (3) on the substrate (12) and top plate (14) of reinforcing bar positioning pedestal (5)
In shape slot (15), an outside reinforcing bar (2) and a middle part reinforcing bar (3) is respectively set in each U-lag (15) from inside to outside, outside
Side reinforcing bar (2) and middle part reinforcing bar (3) are located inside the outside left of cast-in-place concrete bottom plate (10) to be poured, and adjust above-mentioned
Behind the position of reinforcing bar and height, top positioning plate (6) benefit is fixed by bolts on top plate (14) and is located on the outside of middle part steel muscle (3)
Surface；The length of the top positioning plate (6) and the equal length of top plate (14), on the side of middle part reinforcing bar (3)
Also it is recessed inwardly and is formed with multiple U-lags (15), and U-lag (15) position phase on top positioning plate (6) and top plate (14)
It is corresponding and of same size；
6) the side benefit of floor (7) is fixed by bolts to substrate (12) surface being located on the outside of basic (1)；The floor
It (7) include fixed plate (16), muti-piece connecting plate (17) and two pieces of top positioning plates (18)；Wherein fixed plate (16) is horizontally disposed,
It is formed with multiple bolts hole (9) thereon, benefit is fixed by bolts to the surface of substrate (12)；Connecting plate (17) is vertically arranged, by oblique
The straight panel (20) that plate (19) and one end are connected to inclined plate (19) upper end is integrally formed, and muti-piece connecting plate (17) is along cast-in-place concrete bottom
The length direction of plate (10) is arranged in parallel, and the lower end of every piece of connecting plate (17) inclined board (19) is connected to the table of fixed plate (16)
Face, straight panel (20) are located above cast-in-place concrete bottom plate (10) inside line to be poured；Two pieces of top positioning plates (18) are respectively
It is fixed on the outside left top and bottom of all straight panels (20) on muti-piece connecting plate (17), it is remote on every piece of top positioning plate (18)
It is recessed inwardly on side from basic (1) and is formed with multiple U-lags (15)；
7) inside reinforcing bar (4) is caught in the U-lag (15) on the top positioning plate (18) of floor (7) Nei, in each U-lag (15)
A piece inside reinforcing bar (4) is set, after position and the height of adjusting inside reinforcing bar (4), is fixed on locating rack (8) using bolt
On two pieces of top positioning plates (18)；The locating rack (8) is U-shaped groove structure, and opening is clipped in two pieces of top positioning plates (18)
Outer surface on, the outer ledge of upper and lower end plate, which is recessed inwardly, is formed with multiple U-lags (15)；
8) after completing above-mentioned reinforcement installation, the template of cast-in-place concrete bottom plate (10) is installed and in template casting concrete and make
At cast-in-place concrete bottom plate (10), reinforcing bar positioning pedestal (5), top positioning plate (6), floor (7) are removed after concrete initial set
And locating rack (8), thus complete entire work progress.
2. the construction method that reserved steel bar is accurately positioned, installs in cast-in-place concrete bottom plate according to claim 1, special
Sign is: the center on the substrate (12) and top plate (14) between adjacent U-lag (15) is away from equal to adjacent outer reinforcing bar (2)
Or the center of middle part reinforcing bar (3) is away from width is equal to the diameter of outside reinforcing bar (2).
3. the construction method that reserved steel bar is accurately positioned, installs in cast-in-place concrete bottom plate according to claim 1, special
Sign is: the center on the top positioning plate (18) between adjacent U-lag (15) is away from equal in adjacent inboard reinforcing bar (4)
The heart is away from width is equal to the diameter of inside reinforcing bar (4).
4. the construction method that reserved steel bar is accurately positioned, installs in cast-in-place concrete bottom plate according to claim 1, special
Sign is: the fixed plate (16) and top positioning plate (18) of the top positioning plate (6), floor (7) and locating rack (8)
Upper and lower end plate has been respectively formed on multiple bolts hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203516.XA CN106988340B (en) | 2017-03-30 | 2017-03-30 | Reserved steel bar in cast-in-place concrete bottom plate is accurately positioned, the construction method of installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203516.XA CN106988340B (en) | 2017-03-30 | 2017-03-30 | Reserved steel bar in cast-in-place concrete bottom plate is accurately positioned, the construction method of installation |
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| Publication Number | Publication Date |
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| CN106988340A CN106988340A (en) | 2017-07-28 |
| CN106988340B true CN106988340B (en) | 2019-01-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387141B (en) * | 2018-11-13 | 2024-03-08 | 中建安装工程有限公司 | Full grouting sleeve steel bar anchoring length detection device |
| CN109579679B (en) * | 2018-11-13 | 2024-03-05 | 中建安装工程有限公司 | Half grout sleeve reinforcing bar anchor length detection device |
| AU2020239680B2 (en) | 2020-07-15 | 2023-04-06 | Reve Architecture Limited | Sandwich panel and building module |
| CN112211045B (en) * | 2020-10-19 | 2022-12-09 | 中建八局广西建设有限公司 | Base plate embedded structure of straddle type monorail traffic and construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB307388A (en) * | 1927-12-06 | 1929-03-06 | Nevin Brown Carson | Improvements in and relating to reinforced concrete structures |
| CN205063186U (en) * | 2015-07-29 | 2016-03-02 | 济南城建集团有限公司 | Rebar positioning instrument |
| CN106120837A (en) * | 2016-06-30 | 2016-11-16 | 中国五冶集团有限公司 | A kind of positioning tool for pre-embedded bolt group to connecting |
-
2017
- 2017-03-30 CN CN201710203516.XA patent/CN106988340B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB307388A (en) * | 1927-12-06 | 1929-03-06 | Nevin Brown Carson | Improvements in and relating to reinforced concrete structures |
| CN205063186U (en) * | 2015-07-29 | 2016-03-02 | 济南城建集团有限公司 | Rebar positioning instrument |
| CN106120837A (en) * | 2016-06-30 | 2016-11-16 | 中国五冶集团有限公司 | A kind of positioning tool for pre-embedded bolt group to connecting |
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|---|---|
| CN106988340A (en) | 2017-07-28 |
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